diff --git a/backend/src/services/app-connection/hc-vault/hc-vault-connection-schemas.ts b/backend/src/services/app-connection/hc-vault/hc-vault-connection-schemas.ts
index a6db4d0eb..bac799a17 100644
--- a/backend/src/services/app-connection/hc-vault/hc-vault-connection-schemas.ts
+++ b/backend/src/services/app-connection/hc-vault/hc-vault-connection-schemas.ts
@@ -55,11 +55,18 @@ export const HCVaultConnectionSchema = z.intersection(
 export const SanitizedHCVaultConnectionSchema = z.discriminatedUnion("method", [
   BaseHCVaultConnectionSchema.extend({
     method: z.literal(HCVaultConnectionMethod.AccessToken),
-    credentials: HCVaultConnectionAccessTokenCredentialsSchema.pick({})
+    credentials: HCVaultConnectionAccessTokenCredentialsSchema.pick({
+      namespace: true,
+      instanceUrl: true
+    })
   }),
   BaseHCVaultConnectionSchema.extend({
     method: z.literal(HCVaultConnectionMethod.AppRole),
-    credentials: HCVaultConnectionAppRoleCredentialsSchema.pick({})
+    credentials: HCVaultConnectionAppRoleCredentialsSchema.pick({
+      namespace: true,
+      instanceUrl: true,
+      roleId: true
+    })
   })
 ]);